The 20 kHz ultrasound-induced degradation of non-steroidal, anti-inflammatory drug diclofenac (DCF) was investigated. Several operating conditions, such as power density (25-100 W/L), substrate concentration (2.5-80 mg/L), initial solution pH (3.5-11), liquid bulk temperature and the type of sparging gas (air, oxygen, argon), were tested concerning their effect on DCF degradation (as assessed measuring absorbance at… Continue reading Ultrasonic degradation, mineralization and detoxification of diclofenac in water: Optimization of operating parameters
The application of sonolysis (US) for remediation of wastewater is an area of increasing interest. The aim of this study was to evaluate the ultrasonic (US) process on the degradation of pharmaceuticals (diclofenac (DCF), amoxicillin (AMX), carbamazepine (CBZ)) in single solutions and also in three mixtures spiked in urban wastewater effluent. Several operating conditions, such… Continue reading Fate of pharmaceuticals in contaminated urban wastewater effluent under ultrasonic irradiation
Diclofenac is a widely used anti-inflammatory non-steroidal drug that escapes conventional urban wastewater treatment trains because of its resistance to biodegradation. Therefore it is frequently found in treated effluents, lakes and rivers. It has been reported that diclofenac can exhibit adverse effects on aquatic organisms. Advanced oxidation processes like ozonation (O3) and sonolysis (US) can… Continue reading Degradation of diclofenac during sonolysis, ozonation and their simultaneous application
